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TPSM41625 4-V to 16-V Input, 25-A DC/DC Power Module with Current Sharing
SLVSEW0A
September 2020 – December 2020
TPSM41625
PRODUCTION DATA
CONTENTS
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TPSM41625 4-V to 16-V Input, 25-A DC/DC Power Module with Current Sharing
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics (PVIN = 12 V)
6.7
Typical Characteristics (PVIN = 5 V)
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Setting the Output Voltage
7.3.2
Output Voltage Current Rating
7.3.3
RS+/RS- Remote Sense Function
7.3.4
Ramp Select (RAMP and RAMP_SEL)
7.3.5
Switching Frequency (RT)
7.3.6
Synchronization (SYNC)
7.3.6.1
Loss of Synchronization
7.3.7
Stand-alone/Stackable Operation
7.3.7.1
Stackable Synchronization
7.3.7.1.1
Sync Configuration
7.3.7.1.2
Clock Sync Point Selection
7.3.7.1.3
Configuration 1: Dual Phase, Primary Sync-Out Clock to Secondary
7.3.7.1.4
Configuration 2: Dual Phase, Primary and Secondary Sync to External System Clock
7.3.8
Improved Transient Performance versus Fixed Frequency (Stand-alone Operation Only)
7.3.9
Output On/Off Enable (EN)
7.3.10
Power Good (PGOOD)
7.3.11
Soft-Start Operation
7.3.12
Input Capacitor Selection
7.3.13
Output Capacitor Selection
7.3.14
Current Limit (ILIM)
7.3.15
Safe Start-up into Pre-Biased Outputs
7.3.16
Overcurrent Protection
7.3.17
Output Overvoltage and Undervoltage Protection
7.3.18
Overtemperature Protection
7.4
Device Functional Modes
7.4.1
Active Mode
7.4.2
Shutdown Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Setpoint
8.2.2.3
Setting the Switching Frequency
8.2.2.4
RAMP Setting
8.2.2.5
Input Capacitors
8.2.2.6
Output Capacitors
8.2.3
Application Waveforms
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
10.2.1
Package Specifications
10.2.2
EMI
10.2.2.1
EMI Plots
11
Device and Documentation Support
11.1
Device Support
11.1.1
Development Support
11.1.1.1
Custom Design With WEBENCH® Tools
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
MOV|69
MPQF595
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvsew0a_oa
slvsew0a_pm
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DATA SHEET
TPSM41625 4-V to 16-V Input, 25-A DC/DC Power Module with Current Sharing
1
Features
Integrated inductor power solution
11-mm × 16-mm × 4.2-mm QFN package
All pins accessible from package perimeter
Input voltage range: 4 V to 16 V
Wide-output voltage range: 0.6 V to 7.1 V
Selectable internal reference (±0.5% accuracy)
Stackable up to two devices
Parallel outputs for higher current
Phase-interleaving for reduced ripple
Efficiencies up to 97%
Adjustable fixed switching frequency
(300 kHz to 1 MHz)
Allows synchronization to an external clock
Advanced current mode provides
ultra-fast load step response
Power-good output
Meets EN55011 radiated EMI limits
Operating ambient range: –40°C to +105°C
Operating IC junction range: –40°C to +125°C
Pin compatible with: 15-A
TPSM41615
Create a custom design using the TPSM41625 With the
WEBENCH®
Power Designer
2
Applications
Telecom and wireless infrastructure
Industrial automated test equipment
Enterprise switching and storage applications
High-density distributed power systems